442963 has 2 divisors, whose sum is σ = 442964. Its totient is φ = 442962.

The previous prime is 442961. The next prime is 442973. The reversal of 442963 is 369244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442963 - 2¹ = 442961 is a prime.

Together with 442961, it forms a pair of twin primes.

It is an Ulam number.

442963 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (442961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221481 + 221482.

It is an arithmetic number, because the mean of its divisors is an integer number (221482).

2⁴⁴²⁹⁶³ is an apocalyptic number.

442963 is a deficient number, since it is larger than the sum of its proper divisors (1).

442963 is an equidigital number, since it uses as much as digits as its factorization.

442963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 442963 is about 665.5546559074. The cubic root of 442963 is about 76.2293969238.

The spelling of 442963 in words is "four hundred forty-two thousand, nine hundred sixty-three".